Display device

Abstract

A display device including a circuit substrate, a plurality of pixels, and a light-shielding layer is provided. The pixels include a plurality of light-emitting elements. The light-emitting elements are disposed on the circuit substrate and are electrically connected to the circuit substrate. The light-emitting elements in the pixels are arranged along an arrangement direction. The light-shielding layer is disposed on the circuit substrate and has a plurality of pixel apertures. The pixels are disposed in a corresponding pixel aperture. The light-shielding layer includes a plurality of first light-shielding patterns extending in the arrangement direction and a plurality of second light-shielding patterns connected to the first light-shielding patterns. The extending direction of the second light-shielding patterns is different from the extending direction of the first light-shielding patterns. A thickness of the first light-shielding patterns is greater than or substantially equal to a thickness of the second light-shielding patterns.

What is claimed is: 
     
       1. A display device, comprising:
 a circuit substrate; 
 a plurality of pixels each including a plurality of light-emitting elements, wherein the plurality of light-emitting elements are disposed on the circuit substrate and electrically connected to the circuit substrate, the plurality of light-emitting elements in one of the plurality of pixels are arranged along an arrangement direction; and 
 a light-shielding layer located on the circuit substrate and having a plurality of pixel apertures, wherein at least one pixel of the plurality of pixels is located in one of the plurality of pixel apertures, the light-shielding layer comprises a plurality of first light-shielding patterns arranged along the arrangement direction and a plurality of second light-shielding patterns connected to the first light-shielding patterns, an extending direction of the plurality of second light-shielding patterns is different from an extending direction of the plurality of first light-shielding patterns, the plurality of first light-shielding patterns have a first thickness, the plurality of second light-shielding patterns have a second thickness, and the first thickness is greater than or substantially equal to the second thickness. 
 
     
     
       2. The display device according to  claim 1 , wherein the circuit substrate has a plurality groups of connecting pads, the plurality of light-emitting elements in one of the plurality of pixels are disposed corresponding to one of the plurality groups of connecting pads, wherein each of the plurality of light-emitting elements has an element width in the arrangement direction, each of the plurality groups of connecting pads has a maximum width of connecting pads, and the maximum width of connecting pads is greater than twice of the element width. 
     
     
       3. The display device according to  claim 2 , wherein one of the plurality of pixels further comprising:
 at least one repair light-emitting element disposed corresponding to one of the plurality groups of connecting pads, wherein the at least one repair light-emitting element and one of the plurality of light-emitting elements disposed on a same connecting pad of the plurality groups of connecting pads capable of emitting a same color light. 
 
     
     
       4. The display device according to  claim 3 , wherein the at least one repair light-emitting element and one of the plurality of light-emitting elements disposed on a same connecting pad of the plurality groups of connecting pads have a same gap with a corresponding first light-shielding pattern of the plurality of first light-shielding patterns. 
     
     
       5. The display device according to  claim 1 , wherein at least two of the plurality of second light-shielding patterns are between adjacent first light-shielding patterns of the plurality of first light-shielding patterns. 
     
     
       6. The display device according to  claim 1 , wherein at least two of the plurality of first light-shielding patterns are between adjacent second light-shielding patterns of the plurality of second light-shielding patterns. 
     
     
       7. The display device according to  claim 1 , wherein the circuit substrate has a first surface, the plurality of light-emitting elements have a light-emitting top surface, a light-emitting height is defined between the light-emitting top surface and the first surface, and both the first thickness and the second thickness are greater than the light-emitting height. 
     
     
       8. The display device according to  claim 7 , wherein an element gap is defined between the plurality of light-emitting elements and corresponding first light-shielding patterns of the plurality of first light-shielding patterns, and a ratio of the element gap to a difference between the first thickness and the light-emitting height is greater than 0.66. 
     
     
       9. The display device according to  claim 8 , wherein a ratio of the element gap to a difference between the first thickness and the light-emitting height is smaller than 5000. 
     
     
       10. The display device according to  claim 1 , wherein the circuit substrate has a first surface, and the display device further comprises:
 an encapsulating layer encapsulating the light-shielding layer and the plurality of light-emitting elements, the encapsulating layer has an encapsulating top surface, and an encapsulating thickness is defined between the encapsulating top surface and the first surface, wherein the encapsulating thickness is greater than the first thickness. 
 
     
     
       11. The display device according to  claim 10 , wherein the plurality of light-emitting elements have a light-emitting top surface, a light-emitting height is defined between the light-emitting top surface and the first surface, a pixel gap is defined between adjacent first light-shielding patterns of the plurality of first light-shielding patterns, an element gap is defined between the plurality of light-emitting elements and corresponding first light-shielding patterns of the plurality of first light-shielding patterns, and a ratio of the pixel gap to a difference between the encapsulating thickness and the light-emitting height is greater than twice of a ratio of the element gap to a difference between the first thickness and the light-emitting height. 
     
     
       12. The display device according to  claim 10 , wherein the encapsulating top surface of the encapsulating layer has surface roughness, and the encapsulating thickness is greater than 10 times of the surface roughness. 
     
     
       13. The display device according to  claim 1 , wherein distances between the plurality of light-emitting elements and corresponding second light-shielding patterns of the plurality of second light-shielding patterns are different from one another. 
     
     
       14. The display device according to  claim 1 , wherein a material of the light-shielding layer comprises a solder-resist material. 
     
     
       15. A display device, comprising:
 a circuit substrate having a first surface; 
 a light-shielding layer located on the first surface and having a light-shielding top surface, and a first thickness is defined between the light-shielding top surface and the first surface; 
 a light-emitting element disposed on the first surface and having a light-emitting top surface, a light-emitting height is defined between the light-emitting top surface and the first surface, an element gap is defined between the light-emitting element and the light-shielding layer, and a ratio of the element gap to a difference between the first thickness and the light-emitting height is greater than 0.66; and 
 an encapsulating layer encapsulating on the light-shielding layer and the light-emitting element, the encapsulating layer has an encapsulating top surface, and an encapsulating thickness is defined between the encapsulating top surface and the first surface, wherein the encapsulating thickness is greater than the first thickness, wherein a pixel gap is defined in the light-shielding layer located on two opposite sides of the light-emitting element, wherein a ratio of the pixel gap to a difference between the encapsulating thickness and the light-emitting height is greater than twice of a ratio of the element gap to a difference between the first thickness and the light-emitting height. 
 
     
     
       16. The display device according to  claim 15 , wherein the first thickness is greater than the light-emitting height. 
     
     
       17. The display device according to  claim 15 , wherein the ratio of the element gap to the difference between the first thickness and the light-emitting height is smaller than 5000. 
     
     
       18. The display device according to  claim 15 , wherein the encapsulating top surface of the encapsulating layer has surface roughness, and the encapsulating thickness is greater than 10 times of the surface roughness.